CN104890372A - Scrapped PCB marking device and marking method thereof - Google Patents
Scrapped PCB marking device and marking method thereof Download PDFInfo
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- CN104890372A CN104890372A CN201510287922.XA CN201510287922A CN104890372A CN 104890372 A CN104890372 A CN 104890372A CN 201510287922 A CN201510287922 A CN 201510287922A CN 104890372 A CN104890372 A CN 104890372A
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Abstract
The invention provides a scrapped PCB marking device and a marking method thereof. The device includes a main body, a first slide way arranged on the main body, a second slide way parallel to the first slide way, and a marking unit; the inner sides of the first slide way and the second slide way are respectively provided with a first conveyor belt and a second conveyor belt which are corresponding to each other; PCBs move on the first slide way and the second slide way through the first conveyor belt and the second conveyor belt; the marking unit is fixed on the main body; the marking unit is located above the first slide way and the second slide way and is corresponding to the positions of the PCBs; and the marking unit is used for marking defective products in the PCBs. With the scrapped PCB marking device and the marking method thereof of the invention adopted, labor intensity can be reduced, and production efficiency can be improved, and unnecessary loss can be decreased.
Description
Technical field
The present invention relates to PCB manufacturing technology field, more specifically, relate to a kind of PCB and to give up plate marking device and marking method thereof.
Background technology
PCB manufacturing needs to carry out acceptance test and labeling to it before PCB dispatches from the factory, and the PCB of disqualified upon inspection need carry out mark and distinguish, to identify in the process of labeling on its surface.
PCB is being carried out in the process of labeling, only need carry out labeling to qualified product sheet, once carry out labeling on defective products, not only waste label element, also can obscure non-defective unit to get along well good product, when defective products outward appearance not easily detects, there is defective products and flow out, extend to finished product, cause the possibility that finished product is bad.
At present, carry out mark to the defective products in several PCB unit on complete circuit plate mainly to comprise: all carry out bad mark checking the positive and negative of bad PCB unit, the usual way of this mark beats fork or blacking (comprising overall blacking and local blacking) bad element with oil pike, shown in mark as bad in the PCB in accompanying drawing 1, wherein, the PCB1 unit of overall blacking is the bad PCB unit in circuit board 2.
Known, the bad program communication block mask in available circuit plate has following defect:
1, labor intensive material resources, manufacturing cost is high;
2, because the face anyway of defective products all will mark, after the mark of front, justifying need be overturn, exist the back side mislabeled and spill tag may;
3, due to product production and inspection respectively in different manufacturing procedures, the data of inspection are not easily added up, and when checking out a large amount of defective products, can not feed back to front production line in time, causing the lasting generation of defective products and banishing, and then causing unnecessary loss.
Summary of the invention
In view of the above problems, the object of this invention is to provide a kind of PCB marking device and marking method thereof, to solve the problems such as existing PCB mark efficiency is low, cost is high, of poor quality.
According to an aspect of the present invention, provide a kind of PCB to give up plate marking device, comprising: main body, the first slideway be arranged in main body, the second slideway be arranged in parallel with the first slideway and mark unit; Wherein, the first conveyer belt and the second conveyer belt is respectively arranged with in the inner side of the first slideway and the second slideway; PCB is moved on the first slideway and the second slideway by the first conveyer belt and the second conveyer belt; Mark unit is fixed in main body, and mark unit is positioned at the top of the first slideway and the second mutually corresponding slideway, and corresponding with the position of PCB; Mark unit is used for marking the defective products in PCB.
According to a further aspect in the invention, provide a kind of PCB to give up plate marking method, comprising: by the first conveyer belt and the second conveyer belt, PCB is sent to above gripper shoe; PCB is fixed on the supporting plate, and rises under the effect of gripper shoe; By mark unit, mark mark is carried out to bad PCB.
Utilize above-mentioned PCB according to the present invention to give up plate marking device and marking method thereof, can avoid beating by mistake or no marking situation, reduce labour intensity, improve mark efficiency, the continuous production of control defective products, reduce unnecessary loss.
In order to realize above-mentioned and relevant object, will describe in detail and the feature particularly pointed out in the claims after one or more aspect of the present invention comprises.Explanation below and accompanying drawing describe some illustrative aspects of the present invention in detail.But what these aspects indicated is only some modes that can use in the various modes of principle of the present invention.In addition, the present invention is intended to comprise all these aspects and their equivalent.
Accompanying drawing explanation
By reference to the content below in conjunction with the description of the drawings and claims, and understand more comprehensively along with to of the present invention, other object of the present invention and result will more be understood and should be readily appreciated that.In the accompanying drawings:
Fig. 1 is the bad mark schematic diagram of existing PCB;
Fig. 2 is the overall structure schematic diagram of plate marking device of giving up according to the PCB of the embodiment of the present invention;
Fig. 3 is the partial structurtes schematic diagram of plate marking device of giving up according to the PCB of the embodiment of the present invention;
Fig. 4 is the supporting plate structure schematic diagram according to the embodiment of the present invention;
Fig. 5 is the mark cellular construction schematic diagram according to the embodiment of the present invention;
Fig. 6 to give up plate marking method flow chart according to the PCB of the embodiment of the present invention.
Reference numeral wherein comprises: PCB01, circuit board 02, main body 1, first slideway 2, first conveyer belt 21, second slideway 3, second conveyer belt 31, first leading screw 41, first leading screw 42, second leading screw 43, mark unit 5, PCB6, first fixed head 71, first fixed head 72, first fixed head 73, first fixed head 74, first drive unit 81, first drive unit 82, first drive unit 83, first drive unit 84, second drive unit 85, second drive unit 86, first slide block 91, first slide block 92, second slide block 93, warning device 10, visual device 11, second fixed head 12, guide rail 13, second fixed head 14, sliding shoe 15, 3rd drive unit 16, push pedal 17, labelling head 18, gripper shoe 19, air entry 191, sensor 192, limited post 193, camera 20, four-drive device 21, push pedal 22.
Label identical in all of the figs indicates similar or corresponding feature or function.
Detailed description of the invention
In the following description, for purposes of illustration, in order to provide the complete understanding to one or more embodiment, many details have been set forth.But, clearly, also these embodiments can be realized when there is no these details.In other example, one or more embodiment for convenience of description, known structure and equipment illustrate in block form an.
In the process that the specific embodiment of the present invention is described, PCB mainly refers to justifying PCB, namely typesetted PCB, it is carried out to the process of mark, mainly pointer carries out mark mark to the mono-product of indivedual PCB (bad PCB or useless plate) on justifying PCB, in following description process, do not do concrete differentiation.
To give up plate mark labor intensive material resources for current PCB, manufacturing cost is high, there is the possibility of wrong mark and spill tag, cause the problems such as defective products continuous production, PCB justifying is sent to (comprising the first slideway and the second slideway) below of mark unit by slideway by the present invention, and the position of labelling head is adjusted by first direction transmission device and second direction transmission device, under the effect of control system, the mono-product of bad PCB are marked, precision is high, speed is fast, cost is low, and can to analyze bad data according to analytical system (comprising impact analysis system and data analysis system) and feed back front end and produce, avoid the continuous production of defective products, reduce enterprises' loss.
To give up plate marking device and marking method thereof for describing PCB provided by the invention in detail, below with reference to accompanying drawing, specific embodiments of the invention being described in detail.
Fig. 2 shows the overall structure of the plate marking device that to give up according to the PCB of the embodiment of the present invention; Fig. 3 shows the partial structurtes of the plate marking device that to give up according to the PCB of the embodiment of the present invention; Fig. 4 shows the supporting plate structure according to the embodiment of the present invention; And Fig. 5 shows the mark cellular construction according to the embodiment of the present invention.
As Fig. 2 to Fig. 5 jointly shown in, PCB provided by the invention gives up the second slideway 3 and mark unit 5 that plate marking device comprises main body 1, arranges the first slideway 2 on the body 1, be arranged in parallel with the first slideway 2; Wherein, the first conveyer belt 21 and the second conveyer belt 31 is respectively arranged with in the inner side of the first slideway 2 and the second slideway 3 correspondence; PCB justifying is moved by the first conveyer belt 21 and acting on the first slideway 2 and the second slideway 3 of the second conveyer belt 31.
Mark unit 5 is fixing, and mark unit 5 is positioned at the top of the first slideway 2 and the second slideway 3 on the body 1, and makes the labelling head 18 of mark unit 5 corresponding with the position of PCB6 by adjustment self-position; Finally, marked by the defective products in mark unit 5 couples of PCB6.
It should be noted that, the shape of labelling head 18 can be changed according to different PCB specifications, the mode of mark can for ink-jet, label, impression, punching or cut away, such as, when carrying out mark in the mode of ink-jet, labelling head inside is provided with the ink of black or other colors, and is connected with ink-feeding tube and carries out supplementing of ink, concrete mark mode can according to need of production from Row sum-equal matrix.
Below by the concrete structure of mark unit 5 and and the position relationship of the first slideway 2, second slideway 3 and main body 1 be described in detail.
Particularly, mark unit 5 comprises first direction transmission device and second direction transmission device; Wherein, first direction transmission device comprises: the first drive unit (81,82,83,84) be fixedly connected with main body 1 by the first fixed head (71,72,73,74), be positioned at the first leading screw (41,42) between the first drive unit (81,82,83,84), and be positioned at the first slide block (91,92) on the first leading screw (41,42); Second direction transmission device is arranged on (91,92) on the first slide block, second direction transmission device comprises: the second drive unit (85,86) be fixedly connected with the first slide block (91,92) by the second fixed head (12,14) and guide rail 13, be positioned at the second leading screw 43 between the second drive unit (85,86), the sliding shoe 15 be positioned on guide rail 13, and the second slide block 93, second slide block 93 be positioned on the second leading screw 43 is fixedly connected with sliding shoe 15; Sliding shoe 15 is provided with the 3rd drive unit 16, the 3rd drive unit 16 is provided with labelling head 18, the 3rd drive unit 16 moves up and down for controlling labelling head 18.
First slide block (91,92) is mobile along the first leading screw (41,42) under the effect of the first drive unit (81,82,83,84), second direction transmission device is driven to move on first direction transmission device, second slide block 93 moves along the second leading screw 43 under the effect of the second drive unit (85,86), moved by the mobile labelling head 18 that drives of the first slide block (91,92) and the second slide block 93, bad PCB6 is marked; Wherein, the transmission direction (i.e. the direction of motion of the first slide block) of first direction transmission device is mutually vertical with the transmission direction (i.e. the direction of motion of the second slide block) of second direction transmission device, mark unit 5 can be entered in the X-axis of horizontal plane and carry out position adjustment with Y-axis both direction, and under the effect of sensor and control system, mark mark is carried out to bad PCB6.
In the description process of above-mentioned Reference numeral, the first drive unit 81 is fixedly connected with main body 1 by the first fixed head 71, and the first drive unit 82 is fixedly connected with main body 1 by the first fixed head 72; First slide block 91 moves along the first leading screw 41 under the acting in conjunction of the first drive unit 81 and the first drive unit 82, and the first slide block 92 moves along the first leading screw 42 under the acting in conjunction of the first drive unit 83 and the first drive unit 84, the like, lower with.
In addition, carrying out in the process of mark to PCB, fix for convenience of carrying out support to PCB, mark unit 5 also comprises gripper shoe 19; Gripper shoe 19 is positioned at the below of the first slideway 2 and the second slideway 3, and fixing on the body 1 by four-drive device 21, and gripper shoe 19 is provided with air entry 191, sensor 192 and limited post 193; PCB6 is transferred to above gripper shoe 19 by the first conveyer belt 21 and the second conveyer belt 31, and is fixed by limited post 193; The signal that control system is fed back according to sensor 193, control four-drive device 21 to rise and air entry 191 air-breathing, make PCB6 depart from the first conveyer belt 21 and the second conveyer belt 31, and PCB6 is absorbed and fixed in gripper shoe 19, then under the effect of labelling head 18, bad PCB is marked.
It should be noted that, the motion (such as, leading screw and slide block) of first direction transmission device and second direction transmission device also can use the forms such as feed belt, chain or tooth bar to replace.
In a specific embodiment of the present invention, the first direction transmission device of mark unit 5 comprises four the first drive units (81,82,83,84), four the first drive units are fixed in main body 1 respectively by four corresponding the first fixed head (71,72,73,74) orthogonal structures, wherein, between the first drive unit 81 and the first drive unit 82, be provided with the first leading screw 41, the first leading screw 41 is provided with the first slide block 91; Corresponding with the first leading screw 41, the first leading screw 42 paralleled with the first leading screw 41 is provided with between the first drive unit 83 and the first drive unit 84, first leading screw 42 is provided with the first slide block 92, by the driving of the first drive unit (81,82,83,84), first slide block (91,92) can be upper mobile at the first leading screw (41,42) respectively, realizes mark unit 5 position adjustment in the first direction.
The second direction transmission device of mark unit 5 is arranged on first direction transmission device.Particularly, on the first slide block 91 and the first slide block 92, be respectively arranged with the second fixed head 12 and the second fixed head 14, second drive unit 85 is fixedly connected with the second fixed head 14 with the second fixed head 12 respectively with the second drive unit 86, the second leading screw 43 is provided with between the second drive unit 85 and the second drive unit 86, second leading screw 43 is provided with the second slide block 93, this second slide block 93 can move along the second leading screw 43 under the effect of the second drive unit (85,86), to realize labelling head 18 position adjusting mark unit 5 in a second direction.
In addition, second fixed head 12 with the second fixed head 14 are also fixed with the guide rail 13 parallel with the second leading screw 43, guide rail 13 is arranged with the sliding shoe 15 be fixedly connected with the second slide block 93, sliding shoe 15 is connected with the slide of guide rail 13, make sliding shoe 15 can slippage on guide rail 13, sliding shoe 15 is provided with the 3rd drive unit 16, the 3rd drive unit 16 is provided with labelling head 18.Adjusted the particular location of labelling head 18 by first direction transmission device and second direction transmission device, and to making labelling head 18 move up and down by the driving of the 3rd drive unit 16 time corresponding, mark is carried out to defective products with the defective products position of PCB6 at it.
In other words, be installed with four-drive device 21 on the body 1, the push pedal 22 of four-drive device 21 is provided with gripper shoe 19, gripper shoe 19 is provided with the suction hole 191, sensor 192 and the limited post 193 that suck PCB6, when PCB is transferred to after above gripper shoe 19 by the first conveyer belt 21 and the second conveyer belt 31, can block by limited post 193, now, sensor 192 perceives PCB and contacts with limited post 193, sends induced signal to control system; The signal that control system is fed back according to sensor 192, the push pedal 22 controlling four-drive device 21 is risen and air entry air-breathing, PCB is made to depart from the first conveyer belt 21 and the second conveyer belt 31, and be absorbed and fixed in gripper shoe 19, then, under the acting in conjunction of first direction transmission device and second direction transmission device, control labelling head 18 and contact with PCB6 and defective products is marked.
Particularly, control system in the specific embodiment of the invention, for controlling the work of the first drive unit (81,82,83,84), the second drive unit (85,86), the 3rd drive unit 16 and four-drive device 21, and obtain line-spacing and the row distance of PCB typesetting, and the ID code of each PCB is set.Wherein, before mark is carried out to PCB, first PCB typesetting figure is inputted computer in advance, by particular row distance and the row distance of computer for analysis PCB typesetting, and corresponding ID code is set, so that data analysis system carries out bad analysis and exports bad distribution to each PCB unit on justifying PCB.
In a preferred embodiment of the present invention, labelling head 18 is provided with checkout gear (camera 20), for identifying the mark point be positioned on each PCB unit, and the real-time imaging of PCB justifying being transferred to control system, carrying out bad point analysis.
In addition, in order to strengthen the efficiency of PCB mark further, reduce bad mark or spill tag, the PCB plate marking device that gives up can also comprise:
Visual device 11, for real-time monitored PCB justifying, and manually carry out PCB give up plate mark; Such as, visual device 11 can be touch screen, can realize manually judging that whether qualified PCB monomer is from the real-time status of touch screen, and then carry out the mark of manual mode, when commenting the bad PCB image on show image when finger touch touch-control, mark unit 5 can realize operating the mark of this bad PCB.
Impact analysis system (for illustrating in figure), for the comparing result of the detection data that obtain according to checkout gear and standard sample data, controls control system and carries out PCB and to give up plate mark, and record the ID of bad PCB; In other words, before mark is carried out to PCB, in advance by the standard specimen of PCB certified products by the shooting of checkout gear (camera) stored in system, and the real-time imaging that itself and camera photograph to be compared, exceeds error range and aberration scope, output result of determination is NG, and then send a signal to control system and carry out mark, and record the ID of bad PCB, in error allowed band, be judged to be OK, the analysis carrying out next PCB after completing the mark operation of defective products judges.
Data analysis system (not shown), for the ID frequency of bad PCB obtained according to impact analysis system, analyzes the bad distribution of PCB justifying; The ID frequency of the bad PCB namely gathered according to impact analysis system, analyze the bad distribution situation of the justifying PCB of certain batch, when continuously bad exceed limit value after, undertaken reporting to the police by warning system and by bad result feedback to front end operation, even stop producing running, thus the continuation effectively controlling bad product is produced and circulation, reduces loss.
Warning device 10, after bad distribution for obtaining when data analysis system exceedes preset value, carry out reporting to the police and by bad result feedback to front end operation, such as, analytical system can represent the analysis of bad type in the formation of chart, and chart is fed back to front end production process, and display screen is set in operation, to show at any time and to upgrade bad data chart; When fraction defective exceedes limit value or continuous bad quantity exceedes limit value, reported to the police (as bright in alarm lamp or intelligent voice prompt) by warning device 10, thus allow workman analyze poor prognostic cause and give countermeasure.
It should be noted that, give up in plate marking device at PCB provided by the invention, the first drive unit (81,82,83,84), the second drive unit (85,86), the 3rd drive unit 16 and four-drive device 21 can be electric cylinder and/or cylinder.
PCB provided by the invention gives up plate marking device, by the first conveyer belt 21 and the second conveyer belt 31, PCB6 is moved on the first slideway 2 and the second slideway 3, and the position of labelling head 18 is adjusted by first direction transmission device and second direction transmission device, enable PCB6 under the effect of gripper shoe 19, by labelling head 18, mark is carried out to bad PCB6, and then carry out the bad analysis of PCB by analytical system, and control front end operation by analysis result, compare with traditional manual mark, labour intensity is low, production efficiency is high, effectively can control the continuous production of defective products, avoid unnecessary loss.
Corresponding with said apparatus, the present invention also provides a kind of PCB marking method, and utilize the above-mentioned PCB plate marking device that gives up to mark the bad PCB in PCB justifying, the method comprises:
S610: PCB is sent to above gripper shoe by the first conveyer belt and the second conveyer belt.
Wherein, the first conveyer belt and the second conveyer belt are separately positioned on the first slideway inner side relative with the second slideway, by the first driving-belt and the second conveyer belt, PCB justifying are moved on the first slideway and the second slideway, realize the transmission to PCB.
S620: PCB is fixed on the supporting plate, and rises under the effect of gripper shoe.
Wherein, when PCB is sent to after above gripper shoe, by the limited post in gripper shoe and suction hole, PCB is adsorbed on the supporting plate, and by being positioned at the four-drive device below gripper shoe, PCB being risen and departs from conveyer belt (comprising the first conveyer belt and the second conveyer belt).
S630: mark mark is carried out to bad PCB by mark unit.
Wherein, after PCB fixes, by first direction transmission device and the second square transmission device of adjustment mark unit, labelling head is made to be positioned at the top of PCB, and detected the position of bad PCB by checkout gear and sensor, and by the 3rd drive unit, mark is carried out to bad PCB.
For the embodiment of PCB marking method provided by the invention, to give up plate marking device embodiment because it is substantially similar to PCB, relevant part, see the explanation of device embodiment part, repeats no more herein.
PCB provided by the invention gives up plate marking device and marking method thereof, has the following advantages:
1, reduce labour intensity by automatic marking, enhance productivity.
2, detected and mark by Systematical control, can effectively avoid beating and no marking by mistake:
3, can analyze bad data in time, represent bad result with the form of data or chart, and give in time and countermeasure, to control the continuous production of defective products, reduce the loss.
Describe PCB according to the present invention in an illustrative manner above with reference to accompanying drawing to give up plate marking device and marking method thereof.But, it will be appreciated by those skilled in the art that the PCB proposed for the invention described above gives up plate marking device and marking method thereof, can also make various improvement on the basis not departing from content of the present invention.Therefore, protection scope of the present invention should be determined by the content of appending claims.
Claims (10)
1. PCB gives up a plate marking device, comprising: main body, the first slideway is on the body set, the second slideway of be arrangeding in parallel with described first slideway and mark unit; Wherein,
The first mutually corresponding conveyer belt and the second conveyer belt is respectively arranged with in the inner side of described first slideway and described second slideway;
PCB is moved on described first slideway and described second slideway by described first conveyer belt and described second conveyer belt;
Described mark unit is fixing on the body, and described mark unit is positioned at the top of described first slideway and described second slideway, and corresponding with the position of described PCB;
Described mark unit is used for marking the defective products in described PCB.
2. PCB as claimed in claim 1 gives up plate marking device, and wherein, described mark unit comprises first direction transmission device and second direction transmission device; Wherein,
Described first direction transmission device comprises: the first drive unit be fixedly connected with main body by the first fixed head, the first leading screw between described first drive unit, and is positioned at the first slide block on described first leading screw;
Described second direction transmission device is arranged on described first slide block, described second direction transmission device comprises: the second drive unit be fixedly connected with described first slide block by the second fixed head and guide rail, be positioned at the second leading screw between described second drive unit, the sliding shoe be positioned on described guide rail, and the second slide block be positioned on described second leading screw, described second slide block is fixedly connected with described sliding shoe;
Described sliding shoe is provided with the 3rd drive unit, described 3rd drive unit is provided with labelling head, described 3rd drive unit is for controlling the motion of described labelling head;
Described first slide block moves along described first leading screw under the effect of described first drive unit, described second direction transmission device is driven to move on described first direction transmission device, described second slide block moves along described second leading screw under the effect of described second drive unit, drive described labelling head to move, and under the effect of the 3rd drive unit, bad PCB is marked.
3. PCB as claimed in claim 2 gives up plate marking device, and wherein, described mark unit also comprises control system; Wherein,
Described control system, for controlling described first drive unit, the second drive unit and the 3rd drive unit, and obtains line-spacing and the row distance of described PCB typesetting, and arranges the ID code of each PCB.
4. PCB as claimed in claim 3 gives up plate marking device, and wherein, described mark unit also comprises gripper shoe; Wherein,
Described gripper shoe is positioned at the below of described first slideway and the second slideway, and fixing on the body by four-drive device, and described gripper shoe is provided with air entry, sensor and limited post;
Described PCB is transferred to above described gripper shoe by described first conveyer belt and the second conveyer belt, and is fixed by described limited post;
Described control system, according to the signal of described sensor feedback, controls described four-drive device and rises and described air entry air-breathing, makes described PCB depart from described first conveyer belt and the second conveyer belt, and is absorbed and fixed in described gripper shoe by described PCB.
5. PCB as claimed in claim 4 gives up plate marking device, wherein,
Described first direction transmission device is mutually vertical with the transmission direction of described second direction transmission device.
6. PCB as claimed in claim 5 gives up plate marking device, wherein,
Described labelling head is provided with checkout gear, and the real-time imaging of described PCB for identifying the mark point be positioned on described PCB, and is transferred to described control system by described checkout gear.
7. PCB as claimed in claim 6 gives up plate marking device, also comprises:
Visual device, for real-time monitored PCB, and manually carry out PCB give up plate mark;
Impact analysis system, for the comparing result of the detection data that obtain according to described checkout gear and standard sample data, controls described control system and carries out PCB and to give up plate mark, and record the ID of bad PCB;
Data analysis system, for the ID frequency of bad PCB obtained according to described impact analysis system, analyzes the bad distribution of PCB justifying;
Warning device, after the bad distribution for obtaining when described data analysis system exceedes preset value, carries out reporting to the police and by bad result feedback to front end operation.
8. PCB as claimed in claim 7 gives up plate marking device, wherein,
The mark mode of described labelling head is ink-jet, label, impression, punching or cut.
9. PCB as claimed in claim 4 gives up plate marking device, wherein,
Described first drive unit, the second drive unit, the 3rd drive unit and four-drive device are electric cylinder and/or cylinder.
10. PCB gives up a plate marking method, and utilize the plate marking device that gives up of the PCB described in claim 1 to 9 to mark the bad PCB in PCB justifying, described method comprises:
By the first conveyer belt and the second conveyer belt, PCB is sent to above gripper shoe;
Described PCB is fixed in described gripper shoe, and rises under the effect of described gripper shoe;
By mark unit, mark mark is carried out to described bad PCB.
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| CN201510287922.XA CN104890372B (en) | 2015-05-29 | 2015-05-29 | The useless plate marking devices of PCB and its marking method |
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| CN201510287922.XA CN104890372B (en) | 2015-05-29 | 2015-05-29 | The useless plate marking devices of PCB and its marking method |
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Cited By (5)
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| CN105690998A (en) * | 2016-02-15 | 2016-06-22 | 江南大学 | Flat plate type three nozzle group step-by-step printing digital ink jet printing device and method |
| CN106413262A (en) * | 2016-11-09 | 2017-02-15 | 上海展华电子有限公司 | PCB substrate batch marking device |
| CN106742463A (en) * | 2017-01-23 | 2017-05-31 | 青岛友结意电子有限公司 | Mark sticker |
| CN109016871A (en) * | 2018-08-09 | 2018-12-18 | 深圳弘锐精密数码喷印设备有限公司 | A kind of method, system and the equipment of pcb board automatic printing |
| CN111873633A (en) * | 2020-08-21 | 2020-11-03 | 张素红 | Ink jet device for circuit board production and use method thereof |
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